/*
 * jQuery Nivo Slider v2.6
 * http://nivo.dev7studios.com
 *
 * Copyright 2011, Gilbert Pellegrom
 * Free to use and abuse under the MIT license.
 * http://www.opensource.org/licenses/mit-license.php
 * 
 * March 2010
 */

(function ($) {
    var NivoSlider = function (element, options) {
            var settings = $.extend({}, $.fn.nivoSlider.defaults, options);
            var vars = {
                currentSlide: 0,
                currentImage: '',
                totalSlides: 0,
                randAnim: '',
                running: false,
                paused: false,
                stop: false
            };
            var slider = $(element);
            slider.data('nivo:vars', vars);
            slider.css('position', 'relative');
            slider.addClass('nivoSlider');
            var kids = slider.children();
            kids.each(function () {
                var child = $(this);
                var link = '';
                if (!child.is('img')) {
                    if (child.is('a')) {
                        child.addClass('nivo-imageLink');
                        link = child;
                    }
                    child = child.find('img:first');
                }
                var childWidth = child.width();
                if (childWidth == 0) childWidth = child.attr('width');
                var childHeight = child.height();
                if (childHeight == 0) childHeight = child.attr('height');
                if (childWidth > slider.width()) {
                    slider.width(childWidth);
                }
                if (childHeight > slider.height()) {
                    slider.height(childHeight);
                }
                if (link != '') {
                    link.css('display', 'none');
                }
                child.css('display', 'none');
                vars.totalSlides++;
            });
            if (settings.startSlide > 0) {
                if (settings.startSlide >= vars.totalSlides) settings.startSlide = vars.totalSlides - 1;
                vars.currentSlide = settings.startSlide;
            }
            if ($(kids[vars.currentSlide]).is('img')) {
                vars.currentImage = $(kids[vars.currentSlide]);
            } else {
                vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
            }
            if ($(kids[vars.currentSlide]).is('a')) {
                $(kids[vars.currentSlide]).css('display', 'block');
            }
            slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
            slider.append($('<div class="nivo-caption"><p></p></div>').css({
                display: 'none',
                opacity: settings.captionOpacity
            }));
            var processCaption = function (settings) {
                    var nivoCaption = $('.nivo-caption', slider);
                    if (vars.currentImage.attr('title') != '' && vars.currentImage.attr('title') != undefined) {
                        var title = vars.currentImage.attr('title');
                        if (title.substr(0, 1) == '#') title = $(title).html();
                        if (nivoCaption.css('display') == 'block') {
                            nivoCaption.find('p').fadeOut(settings.animSpeed, function () {
                                $(this).html(title);
                                $(this).fadeIn(settings.animSpeed);
                            });
                        } else {
                            nivoCaption.find('p').html(title);
                        }
                        nivoCaption.fadeIn(settings.animSpeed);
                    } else {
                        nivoCaption.fadeOut(settings.animSpeed);
                    }
                }
            processCaption(settings);
            var timer = 0;
            if (!settings.manualAdvance && kids.length > 1) {
                timer = setInterval(function () {
                    nivoRun(slider, kids, settings, false);
                }, settings.pauseTime);
            }
            if (settings.directionNav) {
                slider.append('<div class="nivo-directionNav"><a class="nivo-prevNav">' + settings.prevText + '</a><a class="nivo-nextNav">' + settings.nextText + '</a></div>');
                if (settings.directionNavHide) {
                    $('.nivo-directionNav', slider).hide();
                    slider.hover(function () {
                        $('.nivo-directionNav', slider).show();
                    }, function () {
                        $('.nivo-directionNav', slider).hide();
                    });
                }
                $('a.nivo-prevNav', slider).live('click', function () {
                    if (vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    vars.currentSlide -= 2;
                    nivoRun(slider, kids, settings, 'prev');
                });
                $('a.nivo-nextNav', slider).live('click', function () {
                    if (vars.running) return false;
                    clearInterval(timer);
                    timer = '';
                    nivoRun(slider, kids, settings, 'next');
                });
            }
            if (settings.controlNav) {
                var nivoControl = $('<div class="nivo-controlNav"><div class="line1"></div></div>');
                slider.append(nivoControl);
                for (var i = 0; i < kids.length; i++) {
                    if (settings.controlNavThumbs) {
                        var child = kids.eq(i);
                        if (!child.is('img')) {
                            child = child.find('img:first');
                        }
                        if (settings.controlNavThumbsFromRel) {
                            nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('rel') + '" alt="" /></a>');
                        } else {
                            nivoControl.append('<a class="nivo-control" rel="' + i + '"><img src="' + child.attr('src').replace(settings.controlNavThumbsSearch, settings.controlNavThumbsReplace) + '" alt="" /></a>');
                        }
                    } else {
                        nivoControl.append('<a class="nivo-control" rel="' + i + '">' + (i + 1) + '</a>');
                    }
                }
                nivoControl.append('<div class="line2"></div>');
                $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active');
                $('.nivo-controlNav a', slider).live('click', function () {
                    if (vars.running) return false;
                    if ($(this).hasClass('active')) return false;
                    clearInterval(timer);
                    timer = '';
                    slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
                    vars.currentSlide = $(this).attr('rel') - 1;
                    nivoRun(slider, kids, settings, 'control');
                });
            }
            if (settings.keyboardNav) {
                $(window).keypress(function (event) {
                    if (event.keyCode == '37') {
                        if (vars.running) return false;
                        clearInterval(timer);
                        timer = '';
                        vars.currentSlide -= 2;
                        nivoRun(slider, kids, settings, 'prev');
                    }
                    if (event.keyCode == '39') {
                        if (vars.running) return false;
                        clearInterval(timer);
                        timer = '';
                        nivoRun(slider, kids, settings, 'next');
                    }
                });
            }
            if (settings.pauseOnHover) {
                slider.hover(function () {
                    vars.paused = true;
                    clearInterval(timer);
                    timer = '';
                }, function () {
                    vars.paused = false;
                    if (timer == '' && !settings.manualAdvance) {
                        timer = setInterval(function () {
                            nivoRun(slider, kids, settings, false);
                        }, settings.pauseTime);
                    }
                });
            }
            slider.bind('nivo:animFinished', function () {
                vars.running = false;
                $(kids).each(function () {
                    if ($(this).is('a')) {
                        $(this).css('display', 'none');
                    }
                });
                if ($(kids[vars.currentSlide]).is('a')) {
                    $(kids[vars.currentSlide]).css('display', 'block');
                }
                if (timer == '' && !vars.paused && !settings.manualAdvance) {
                    timer = setInterval(function () {
                        nivoRun(slider, kids, settings, false);
                    }, settings.pauseTime);
                }
                settings.afterChange.call(this);
            });
            var createSlices = function (slider, settings, vars) {
                    for (var i = 0; i < settings.slices; i++) {
                        var sliceWidth = Math.round(slider.width() / settings.slices);
                        if (i == settings.slices - 1) {
                            slider.append($('<div class="nivo-slice"></div>').css({
                                left: (sliceWidth * i) + 'px',
                                width: (slider.width() - (sliceWidth * i)) + 'px',
                                height: '0px',
                                opacity: '0',
                                background: 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%'
                            }));
                        } else {
                            slider.append($('<div class="nivo-slice"></div>').css({
                                left: (sliceWidth * i) + 'px',
                                width: sliceWidth + 'px',
                                height: '0px',
                                opacity: '0',
                                background: 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((sliceWidth + (i * sliceWidth)) - sliceWidth) + 'px 0%'
                            }));
                        }
                    }
                }
            var createBoxes = function (slider, settings, vars) {
                    var boxWidth = Math.round(slider.width() / settings.boxCols);
                    var boxHeight = Math.round(slider.height() / settings.boxRows);
                    for (var rows = 0; rows < settings.boxRows; rows++) {
                        for (var cols = 0; cols < settings.boxCols; cols++) {
                            if (cols == settings.boxCols - 1) {
                                slider.append($('<div class="nivo-box"></div>').css({
                                    opacity: 0,
                                    left: (boxWidth * cols) + 'px',
                                    top: (boxHeight * rows) + 'px',
                                    width: (slider.width() - (boxWidth * cols)) + 'px',
                                    height: boxHeight + 'px',
                                    background: 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((boxWidth + (cols * boxWidth)) - boxWidth) + 'px -' + ((boxHeight + (rows * boxHeight)) - boxHeight) + 'px'
                                }));
                            } else {
                                slider.append($('<div class="nivo-box"></div>').css({
                                    opacity: 0,
                                    left: (boxWidth * cols) + 'px',
                                    top: (boxHeight * rows) + 'px',
                                    width: boxWidth + 'px',
                                    height: boxHeight + 'px',
                                    background: 'url("' + vars.currentImage.attr('src') + '") no-repeat -' + ((boxWidth + (cols * boxWidth)) - boxWidth) + 'px -' + ((boxHeight + (rows * boxHeight)) - boxHeight) + 'px'
                                }));
                            }
                        }
                    }
                }
            var nivoRun = function (slider, kids, settings, nudge) {
                    var vars = slider.data('nivo:vars');
                    if (vars && (vars.currentSlide == vars.totalSlides - 1)) {
                        settings.lastSlide.call(this);
                    }
                    if ((!vars || vars.stop) && !nudge) return false;
                    settings.beforeChange.call(this);
                    if (!nudge) {
                        slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
                    } else {
                        if (nudge == 'prev') {
                            slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
                        }
                        if (nudge == 'next') {
                            slider.css('background', 'url("' + vars.currentImage.attr('src') + '") no-repeat');
                        }
                    }
                    vars.currentSlide++;
                    if (vars.currentSlide == vars.totalSlides) {
                        vars.currentSlide = 0;
                        settings.slideshowEnd.call(this);
                    }
                    if (vars.currentSlide < 0) vars.currentSlide = (vars.totalSlides - 1);
                    if ($(kids[vars.currentSlide]).is('img')) {
                        vars.currentImage = $(kids[vars.currentSlide]);
                    } else {
                        vars.currentImage = $(kids[vars.currentSlide]).find('img:first');
                    }
                    if (settings.controlNav) {
                        $('.nivo-controlNav a', slider).removeClass('active');
                        $('.nivo-controlNav a:eq(' + vars.currentSlide + ')', slider).addClass('active');
                    }
                    processCaption(settings);
                    $('.nivo-slice', slider).remove();
                    $('.nivo-box', slider).remove();
                    if (settings.effect == 'random') {
                        var anims = new Array('sliceDownRight', 'sliceDownLeft', 'sliceUpRight', 'sliceUpLeft', 'sliceUpDown', 'sliceUpDownLeft', 'fold', 'fade', 'boxRandom', 'boxRain', 'boxRainReverse', 'boxRainGrow', 'boxRainGrowReverse');
                        vars.randAnim = anims[Math.floor(Math.random() * (anims.length + 1))];
                        if (vars.randAnim == undefined) vars.randAnim = 'fade';
                    }
                    if (settings.effect.indexOf(',') != -1) {
                        var anims = settings.effect.split(',');
                        vars.randAnim = anims[Math.floor(Math.random() * (anims.length))];
                        if (vars.randAnim == undefined) vars.randAnim = 'fade';
                    }
                    vars.running = true;
                    if (settings.effect == 'sliceDown' || settings.effect == 'sliceDownRight' || vars.randAnim == 'sliceDownRight' || settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') {
                        createSlices(slider, settings, vars);
                        var timeBuff = 0;
                        var i = 0;
                        var slices = $('.nivo-slice', slider);
                        if (settings.effect == 'sliceDownLeft' || vars.randAnim == 'sliceDownLeft') slices = $('.nivo-slice', slider)._reverse();
                        slices.each(function () {
                            var slice = $(this);
                            slice.css({
                                'top': '0px'
                            });
                            if (i == settings.slices - 1) {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed, '', function () {
                                        slider.trigger('nivo:animFinished');
                                    });
                                }, (100 + timeBuff));
                            } else {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed);
                                }, (100 + timeBuff));
                            }
                            timeBuff += 50;
                            i++;
                        });
                    } else if (settings.effect == 'sliceUp' || settings.effect == 'sliceUpRight' || vars.randAnim == 'sliceUpRight' || settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') {
                        createSlices(slider, settings, vars);
                        var timeBuff = 0;
                        var i = 0;
                        var slices = $('.nivo-slice', slider);
                        if (settings.effect == 'sliceUpLeft' || vars.randAnim == 'sliceUpLeft') slices = $('.nivo-slice', slider)._reverse();
                        slices.each(function () {
                            var slice = $(this);
                            slice.css({
                                'bottom': '0px'
                            });
                            if (i == settings.slices - 1) {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed, '', function () {
                                        slider.trigger('nivo:animFinished');
                                    });
                                }, (100 + timeBuff));
                            } else {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed);
                                }, (100 + timeBuff));
                            }
                            timeBuff += 50;
                            i++;
                        });
                    } else if (settings.effect == 'sliceUpDown' || settings.effect == 'sliceUpDownRight' || vars.randAnim == 'sliceUpDown' || settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') {
                        createSlices(slider, settings, vars);
                        var timeBuff = 0;
                        var i = 0;
                        var v = 0;
                        var slices = $('.nivo-slice', slider);
                        if (settings.effect == 'sliceUpDownLeft' || vars.randAnim == 'sliceUpDownLeft') slices = $('.nivo-slice', slider)._reverse();
                        slices.each(function () {
                            var slice = $(this);
                            if (i == 0) {
                                slice.css('top', '0px');
                                i++;
                            } else {
                                slice.css('bottom', '0px');
                                i = 0;
                            }
                            if (v == settings.slices - 1) {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed, '', function () {
                                        slider.trigger('nivo:animFinished');
                                    });
                                }, (100 + timeBuff));
                            } else {
                                setTimeout(function () {
                                    slice.animate({
                                        height: '100%',
                                        opacity: '1.0'
                                    }, settings.animSpeed);
                                }, (100 + timeBuff));
                            }
                            timeBuff += 50;
                            v++;
                        });
                    } else if (settings.effect == 'fold' || vars.randAnim == 'fold') {
                        createSlices(slider, settings, vars);
                        var timeBuff = 0;
                        var i = 0;
                        $('.nivo-slice', slider).each(function () {
                            var slice = $(this);
                            var origWidth = slice.width();
                            slice.css({
                                top: '0px',
                                height: '100%',
                                width: '0px'
                            });
                            if (i == settings.slices - 1) {
                                setTimeout(function () {
                                    slice.animate({
                                        width: origWidth,
                                        opacity: '1.0'
                                    }, settings.animSpeed, '', function () {
                                        slider.trigger('nivo:animFinished');
                                    });
                                }, (100 + timeBuff));
                            } else {
                                setTimeout(function () {
                                    slice.animate({
                                        width: origWidth,
                                        opacity: '1.0'
                                    }, settings.animSpeed);
                                }, (100 + timeBuff));
                            }
                            timeBuff += 50;
                            i++;
                        });
                    } else if (settings.effect == 'fade' || vars.randAnim == 'fade') {
                        createSlices(slider, settings, vars);
                        var firstSlice = $('.nivo-slice:first', slider);
                        firstSlice.css({
                            'height': '100%',
                            'width': slider.width() + 'px'
                        });
                        firstSlice.animate({
                            opacity: '1.0'
                        }, (settings.animSpeed * 2), '', function () {
                            slider.trigger('nivo:animFinished');
                        });
                    } else if (settings.effect == 'slideInRight' || vars.randAnim == 'slideInRight') {
                        createSlices(slider, settings, vars);
                        var firstSlice = $('.nivo-slice:first', slider);
                        firstSlice.css({
                            'height': '100%',
                            'width': '0px',
                            'opacity': '1'
                        });
                        firstSlice.animate({
                            width: slider.width() + 'px'
                        }, (settings.animSpeed * 2), '', function () {
                            slider.trigger('nivo:animFinished');
                        });
                    } else if (settings.effect == 'slideInLeft' || vars.randAnim == 'slideInLeft') {
                        createSlices(slider, settings, vars);
                        var firstSlice = $('.nivo-slice:first', slider);
                        firstSlice.css({
                            'height': '100%',
                            'width': '0px',
                            'opacity': '1',
                            'left': '',
                            'right': '0px'
                        });
                        firstSlice.animate({
                            width: slider.width() + 'px'
                        }, (settings.animSpeed * 2), '', function () {
                            firstSlice.css({
                                'left': '0px',
                                'right': ''
                            });
                            slider.trigger('nivo:animFinished');
                        });
                    } else if (settings.effect == 'boxRandom' || vars.randAnim == 'boxRandom') {
                        createBoxes(slider, settings, vars);
                        var totalBoxes = settings.boxCols * settings.boxRows;
                        var i = 0;
                        var timeBuff = 0;
                        var boxes = shuffle($('.nivo-box', slider));
                        boxes.each(function () {
                            var box = $(this);
                            if (i == totalBoxes - 1) {
                                setTimeout(function () {
                                    box.animate({
                                        opacity: '1'
                                    }, settings.animSpeed, '', function () {
                                        slider.trigger('nivo:animFinished');
                                    });
                                }, (100 + timeBuff));
                            } else {
                                setTimeout(function () {
                                    box.animate({
                                        opacity: '1'
                                    }, settings.animSpeed);
                                }, (100 + timeBuff));
                            }
                            timeBuff += 20;
                            i++;
                        });
                    } else if (settings.effect == 'boxRain' || vars.randAnim == 'boxRain' || settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' || settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
                        createBoxes(slider, settings, vars);
                        var totalBoxes = settings.boxCols * settings.boxRows;
                        var i = 0;
                        var timeBuff = 0;
                        var rowIndex = 0;
                        var colIndex = 0;
                        var box2Darr = new Array();
                        box2Darr[rowIndex] = new Array();
                        var boxes = $('.nivo-box', slider);
                        if (settings.effect == 'boxRainReverse' || vars.randAnim == 'boxRainReverse' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
                            boxes = $('.nivo-box', slider)._reverse();
                        }
                        boxes.each(function () {
                            box2Darr[rowIndex][colIndex] = $(this);
                            colIndex++;
                            if (colIndex == settings.boxCols) {
                                rowIndex++;
                                colIndex = 0;
                                box2Darr[rowIndex] = new Array();
                            }
                        });
                        for (var cols = 0; cols < (settings.boxCols * 2); cols++) {
                            var prevCol = cols;
                            for (var rows = 0; rows < settings.boxRows; rows++) {
                                if (prevCol >= 0 && prevCol < settings.boxCols) {
                                    (function (row, col, time, i, totalBoxes) {
                                        var box = $(box2Darr[row][col]);
                                        var w = box.width();
                                        var h = box.height();
                                        if (settings.effect == 'boxRainGrow' || vars.randAnim == 'boxRainGrow' || settings.effect == 'boxRainGrowReverse' || vars.randAnim == 'boxRainGrowReverse') {
                                            box.width(0).height(0);
                                        }
                                        if (i == totalBoxes - 1) {
                                            setTimeout(function () {
                                                box.animate({
                                                    opacity: '1',
                                                    width: w,
                                                    height: h
                                                }, settings.animSpeed / 1.3, '', function () {
                                                    slider.trigger('nivo:animFinished');
                                                });
                                            }, (100 + time));
                                        } else {
                                            setTimeout(function () {
                                                box.animate({
                                                    opacity: '1',
                                                    width: w,
                                                    height: h
                                                }, settings.animSpeed / 1.3);
                                            }, (100 + time));
                                        }
                                    })(rows, prevCol, timeBuff, i, totalBoxes);
                                    i++;
                                }
                                prevCol--;
                            }
                            timeBuff += 100;
                        }
                    }
                }
            var shuffle = function (arr) {
                    for (var j, x, i = arr.length; i; j = parseInt(Math.random() * i), x = arr[--i], arr[i] = arr[j], arr[j] = x);
                    return arr;
                }
            var trace = function (msg) {
                    if (this.console && typeof console.log != "undefined") console.log(msg);
                }
            this.stop = function () {
                if (!$(element).data('nivo:vars').stop) {
                    $(element).data('nivo:vars').stop = true;
                    trace('Stop Slider');
                }
            }
            this.start = function () {
                if ($(element).data('nivo:vars').stop) {
                    $(element).data('nivo:vars').stop = false;
                    trace('Start Slider');
                }
            }
            settings.afterLoad.call(this);
            return this;
        };
    $.fn.nivoSlider = function (options) {
        return this.each(function (key, value) {
            var element = $(this);
            if (element.data('nivoslider')) return element.data('nivoslider');
            var nivoslider = new NivoSlider(this, options);
            element.data('nivoslider', nivoslider);
        });
    };
    $.fn.nivoSlider.defaults = {
        effect: 'random',
        slices: 15,
        boxCols: 8,
        boxRows: 4,
        animSpeed: 500,
        pauseTime: 3000,
        startSlide: 0,
        directionNav: true,
        directionNavHide: true,
        controlNav: true,
        controlNavThumbs: false,
        controlNavThumbsFromRel: false,
        controlNavThumbsSearch: '.jpg',
        controlNavThumbsReplace: '_thumb.jpg',
        keyboardNav: true,
        pauseOnHover: true,
        manualAdvance: false,
        captionOpacity: 0.8,
        prevText: 'Prev',
        nextText: 'Next',
        beforeChange: function () {},
        afterChange: function () {},
        slideshowEnd: function () {},
        lastSlide: function () {},
        afterLoad: function () {}
    };
    $.fn._reverse = [].reverse;
})(jQuery);